package jdbc;
/*
查询语句
 */
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class JDBCDemo5 {
    public static void main(String[] args) throws Exception {
        //需求:查询teacher表中每个老师的的id，name，salary，title
        Connection conn=DBUtil.getConnection();
        Statement state = conn.createStatement();
        String sql="SELECT id,name,salary,title FROM teacher";
        ResultSet rs =state.executeQuery(sql);
        while(rs.next()){
            int id=rs.getInt("id");
            String name=rs.getString("name");
            double salary = rs.getDouble("salary");
            String title=rs.getString("title");
            System.out.println(id+", "+name+", "+salary+", "+title);
        }
        conn.close();
    }
}
